{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["location", "else", "organization", "person"], "input": "NYMEX refined product prices lingered at session lows amid slim volume before the close while crude experienced lackluster buying ahead of the U.S. Labor Day weekend , traders said ."}
{"location": ["U.S."], "else": ["Labor Day"], "organization": [], "person": []}